Integrand size = 28, antiderivative size = 114 \[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=-\frac {c (e f-d g) (f+g x)^{1+n}}{e g^2 (1+n)}+\frac {c (f+g x)^{2+n}}{g^2 (2+n)}+\frac {\left (c d^2-a e\right ) (f+g x)^{1+n} \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {e (f+g x)}{e f-d g}\right )}{e (e f-d g) (1+n)} \]
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Time = 0.09 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.107, Rules used = {965, 81, 70} \[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=\frac {\left (c d^2-a e\right ) (f+g x)^{n+1} \operatorname {Hypergeometric2F1}\left (1,n+1,n+2,\frac {e (f+g x)}{e f-d g}\right )}{e (n+1) (e f-d g)}-\frac {c (e f-d g) (f+g x)^{n+1}}{e g^2 (n+1)}+\frac {c (f+g x)^{n+2}}{g^2 (n+2)} \]
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Rule 70
Rule 81
Rule 965
Rubi steps \begin{align*} \text {integral}& = \frac {c (f+g x)^{2+n}}{g^2 (2+n)}+\frac {\int \frac {(f+g x)^n (-e g (c d f-a g) (2+n)-c e g (e f-d g) (2+n) x)}{d+e x} \, dx}{e g^2 (2+n)} \\ & = -\frac {c (e f-d g) (f+g x)^{1+n}}{e g^2 (1+n)}+\frac {c (f+g x)^{2+n}}{g^2 (2+n)}-\frac {\left (c d^2-a e\right ) \int \frac {(f+g x)^n}{d+e x} \, dx}{e} \\ & = -\frac {c (e f-d g) (f+g x)^{1+n}}{e g^2 (1+n)}+\frac {c (f+g x)^{2+n}}{g^2 (2+n)}+\frac {\left (c d^2-a e\right ) (f+g x)^{1+n} \, _2F_1\left (1,1+n;2+n;\frac {e (f+g x)}{e f-d g}\right )}{e (e f-d g) (1+n)} \\ \end{align*}
Time = 0.18 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.82 \[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=\frac {(f+g x)^{1+n} \left (\frac {c (-e f+d g (2+n)+e g (1+n) x)}{g^2 (2+n)}+\frac {\left (c d^2-a e\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {e (f+g x)}{e f-d g}\right )}{e f-d g}\right )}{e (1+n)} \]
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\[\int \frac {\left (g x +f \right )^{n} \left (c e \,x^{2}+2 c d x +a \right )}{e x +d}d x\]
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\[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=\int { \frac {{\left (c e x^{2} + 2 \, c d x + a\right )} {\left (g x + f\right )}^{n}}{e x + d} \,d x } \]
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\[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=\int \frac {\left (f + g x\right )^{n} \left (a + 2 c d x + c e x^{2}\right )}{d + e x}\, dx \]
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\[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=\int { \frac {{\left (c e x^{2} + 2 \, c d x + a\right )} {\left (g x + f\right )}^{n}}{e x + d} \,d x } \]
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\[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=\int { \frac {{\left (c e x^{2} + 2 \, c d x + a\right )} {\left (g x + f\right )}^{n}}{e x + d} \,d x } \]
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Timed out. \[ \int \frac {(f+g x)^n \left (a+2 c d x+c e x^2\right )}{d+e x} \, dx=\int \frac {{\left (f+g\,x\right )}^n\,\left (c\,e\,x^2+2\,c\,d\,x+a\right )}{d+e\,x} \,d x \]
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